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Edit this profileAt a glance
- 7335 Gladiolus Dr, Fort Myers, FL 33908
About William Callahan
William P. Callahan, PA-C is a physician assistant practicing in Fort Myers, FL. Medicare claims data shows William provided 190 services to 82 patients. The services billed most often include critical care, first 30-74 minutes and insertion of non-tunneled central venous tube for infusion (5 years or older). This provider record is associated with NPI 1194766675.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (239) 985-1925
- Email not available
Practice Locations
7335 GLADIOLUS DR
Fort Myers, FL 33908
Procedures Most Often Billed to Medicare
190 services · 82 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
27 | More often than most peers in Physician Assistant |
| Critical care, first 30-74 minutes | Office visit | 99291 |
163 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Fort Myers 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of non-tunneled central venous tube for infusion (5 years or older) 8
Providers in FL who bill this service to Medicare most often.
Common questions
What does William P. Callahan specialize in?
William P. Callahan is a physician assistant in Fort Myers, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is William P. Callahan located?
William P. Callahan is listed at 7335 Gladiolus Dr, Fort Myers, FL 33908. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William P. Callahan's phone number?
The number on file is (239) 985-1925. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William P. Callahan?
William P. Callahan's National Provider Identifier is 1194766675. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did William P. Callahan train?
William P. Callahan attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William P. Callahan have?
William P. Callahan has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does William P. Callahan do most often?
According to Medicare billing data, William P. Callahan performs procedures including insertion of non-tunneled central venous tube for infusion, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William P. Callahan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William P. Callahan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.